Unit_Tests.xml

<component name="ProjectRunConfigurationManager">
  <configuration default="false" name="Unit Tests" type="mocha-javascript-test-runner">
    <node-interpreter>node</node-interpreter>
    <node-options />
    <mocha-package>$PROJECT_DIR$/node_modules/mocha</mocha-package>
    <working-directory>$PROJECT_DIR$/dev</working-directory>
    <pass-parent-env>true</pass-parent-env>
    <envs>
      <env name="TS_NODE_FILES" value="true" />
    </envs>
    <ui>bdd</ui>
    <extra-mocha-options>--require ts-node/register/type-check --no-cache --no-timeout</extra-mocha-options>
    <test-kind>PATTERN</test-kind>
    <test-pattern>$PROJECT_DIR$/dev/test/*.js $PROJECT_DIR$/dev/test/*.ts</test-pattern>
    <method v="2" />
  </configuration>
</component>